
#!/usr/bin/env python3
# coding: utf-8
"""
2024-02-04 harrydeep@wardyan.top 
主数据库暂时只支持mssql
"""
import os
import pymssql
#import threading
from DBUtils.PooledDB import PooledDB
## from wconfig.Config import *
## from aaaaaaaa import *
## from myconfig import *
## import WConfig
from config import Config


POOL = PooledDB(
    creator=pymssql,  # 使用链接数据库的模块
    maxconnections=Config.getconfig_int("db","maxconnections"),  # 连接池允许的最大连接数，0和None表示不限制连接数
    mincached=Config.getconfig_int("db","mincached"),  # 初始化时，链接池中至少创建的空闲的链接，0表示不创建
    maxcached=Config.getconfig_int("db","maxcached"),  # 链接池中最多闲置的链接，0和None不限制
    maxshared=Config.getconfig_int("db","maxshared"),  # 链接池中最多共享的链接数量，0和None表示全部共享。PS: 无用，因为pymysql和MySQLdb等模块的 threadsafety都为1，所有值无论设置为多少，_maxcached永远为0，所以永远是所有链接都共享。
    blocking=Config.getconfig_bool("db","blocking"),  # 连接池中如果没有可用连接后，是否阻塞等待。True，等待；False，不等待然后报错
    maxusage=Config.getconfig_int("db","maxusage"),  # 一个链接最多被重复使用的次数，None表示无限制
    setsession=[""],  # 开始会话前执行的命令列表。如：["set datestyle to ...", "set time zone ..."]set rowcount 10000
    ping=0,
    # ping MySQL服务端，检查是否服务可用。# 如：0 = None = never, 1 = default = whenever it is requested, 2 = when a cursor is created, 4 = when a query is executed, 7 = always
    host=Config.getconfig("db","host"),
    port=Config.getconfig("db","port"),
    user=Config.getconfig("db","user"),
    password=Config.getconfig("db","password"),
    database=Config.getconfig("db","database"),
    charset='utf8'
)






if __name__ == '__main__':
    db = POOL.connection()
    cursor = db.cursor()
    cursor.execute("select * from kt_device")
    print(cursor.fetchall())
    cursor.close()
    db.close()